The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 30, 2013
Filed:
Nov. 23, 2010
Applicants:
Petr Korba, Turgi, CH;
Rafael Segundo, Zamora, MX;
Bertil Berggren, Vasteras, SE;
Andrew D. Paice, Daettwil, CH;
Rajat Majumder, Raleigh, NC (US);
Inventors:
Petr Korba, Turgi, CH;
Rafael Segundo, Zamora, MX;
Bertil Berggren, Vasteras, SE;
Andrew D. Paice, Daettwil, CH;
Rajat Majumder, Raleigh, NC (US);
Assignee:
ABB Research Ltd, Zurich, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 1/00 (2006.01); H02M 1/00 (2007.01);
U.S. Cl.
CPC ...
Abstract
A method and controller are provided for the compensation of time delays in remote feedback signals in power system control. The method includes converting the time delay into a phase shift and calculating four compensation angles from the phase shift. The optimal compensation angle is determined and applied to the remote feedback signals. A technique of equipping a controller with a global clock is also disclosed.